<template>
  <section>
    <!--工具条-->
    <!--    高级查询-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery" v-perm="'product:list'">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleSave" v-perm="'product:save'">新增</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="onsale">上架</el-button>
          <el-button type="primary" @click="offsale">下架</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="Products" highlight-current-row :row-key="getRowKey" v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="产品名称" width="100"  sortable>
      </el-table-column>
      <el-table-column prop="costprice" label="成本价" width="100"  sortable>
      </el-table-column>
      <el-table-column prop="saleprice" label="售价" width="100"  sortable>
      </el-table-column>
      <el-table-column prop="state" label="产品状态" width="100" sortable>
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state === 1" >上架</span>
          <span style="color: red" v-if="scope.row.state === 0">下架</span>
        </template>
      </el-table-column>

      <el-table-column prop="salecount" label="销售数量" width="100" >
      </el-table-column>
      <el-table-column prop="offsaletime" label="下架时间" width="100" sortable>
      </el-table-column>
      <el-table-column prop="onsaletime" label="上架时间" width="100" sortable>
      </el-table-column>
      <el-table-column prop="createtime" label="入驻时间" width="100" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)" v-perm="'product:save'">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)" v-perm="'product:delete'">删除</el-button>
        </template>
      </el-table-column>
    </el-table>


    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :current-page="currentPage" :page-size="pageSize" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!-- 添加或修改的对话框
    el-dialog - elementUi提供的对话框 = 模态框
      :title="title" - 动态改变标题
      :visible.sync="saveFormVisible"  - 模态框的显示状态
      :close-on-click-modal="false" - 关闭模态框只能通过模态框的x关闭，点击空白处不能关闭模态框
    el-form - 表单
      :model="saveForm" - 绑定表单对象
      label-width="80px" - 标签宽度
      :rules="saveFormRules" - 验证规则
      ref="saveForm" - 为当前模态框取名
      prop="name" - 如果当前字段要验证，就必须写，出现*
      auto-complete="off" - 不自动提示
-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="产品名称" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="成本价" prop="costprice">
          <el-input v-model="saveForm.costprice" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="售价" prop="saleprice">
          <el-input v-model="saveForm.saleprice" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="服务资源">
          <el-upload class="upload-demo"
                     action="http://localhost:8080/fastDfs/"
                     :on-remove="handleRemove"
                     :on-success="handleSuccess"
                     :file-list="fileList"
                     list-type="picture">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
        <el-form-item label="简介" prop="intro">
          <!-- v-if="saveForm.productDetail"  v-model绑定对象报错问题，v-if对需要显示的数据判断下 -->
          <quill-editor  v-model="saveForm.productDetail.intro" v-if="saveForm.productDetail" :options="quillOption">
          </quill-editor>
        </el-form-item>
        <el-form-item label="使用须知" prop="orderNotice" >
          <quill-editor  v-model="saveForm.productDetail.orderNotice" v-if="saveForm.productDetail" :options="quillOption">
          </quill-editor>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>



<script>
//引入Vue的ueditor的资源
import { quillEditor } from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
import quillConfig from '../../common/js/quill-config';

export default {
  components: {
    quillEditor
  },
  //......
  data() {
    return {
      //  数据展示
      Products: [], // 显示的数据
      listLoading: false, //盲加载
      // 分页查询
      totals: 0,
      pageSize: 10,
      currentPage : 1,
      // 高级查询
      keyword: '',
      // 批量删除
      sels: [],//列表选中列
      /*filters: {
        name: ''
      },*/
      // 添加和修改模型数据
      saveFormVisible: false,//新增界面是否显示
      saveLoading: false,
      title:'',
      saveFormRules: {
        name: [
          { required: true, message: '请输入产品名称', trigger: 'blur' }
        ],
        costprice: [
          { required: true, message: '请输入成本价', trigger: 'blur' }
        ],
        saleprice: [
          { required: true, message: '请输入售价', trigger: 'blur' }
        ],
      },
      //新增界面数据
      saveForm: {
        id: null,
        name:'',
        costprice: null,
        saleprice: null,
        resources: '',
        salecount: null,

        productDetail:{  //与后端实体类一致
          intro: '',
          orderNotice: ''
        }
      },
      // 列表显示图片的前缀

      //富文本编辑器
      quillOption: quillConfig,

      //资源图片
      fileList: [],
    }
  },
  methods: {
    //1.获取产品列表
    getProducts() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      // 显示加载框
      this.listLoading = true;
      // 发送分页查询请求
      this.$http.post("/product", para).then(res => {
        this.listLoading = false;
        this.Products = res.data.data;
        this.totals = res.data.totals;
      }).catch(res => {
        this.$message.error('系统繁忙，请稍后重试!!!');
      });
    },

    // 2.分页逻辑
    handleCurrentChange(currentPage) {
      this.currentPage = currentPage;
      this.getProducts();
    },

    // 3.关键字查询
    keywordQuery() {
      this.currentPage = 1;
      this.getProducts();
    },

    // 4.删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        // 发送删除请求
        this.$http.delete("/product/" + row.id).then(res => {
          this.listLoading = false;
          //NProgress.done();
          if (res.data.success) {
            this.$message('删除成功');
            // 当前总页数
            let totalPage = this.totals % this.pageSize == 0 ? this.totals / this.pageSize
                : Math.ceil(this.totals / this.pageSize);
            if (this.currentPage > 1 && this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0) {
              this.currentPage = this.currentPage - 1;
            }
            this.getProducts();
          } else {
            this.$message('删除失败【500】');
          }
        }).catch(res => {
          this.$message('系统繁忙，请稍后重试！！！');
        });
      }).catch(() => {

      });
    },
    // 选项改变时出发
    selsChange: function (sels) {
      this.sels = sels;
    },

    // 5.批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id); // map相当于遍历
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/product", ids).then(res => {
          this.listLoading = false;
          //NProgress.done();
          if (res.data.success) {
            this.$message('删除成功');
            this.currentPage = 1;
            this.getProducts();
          } else {
            this.$message('删除失败【500】');
          }
        }).catch(res => {
          this.$message('系统繁忙，请稍后重试！！！');
        });
      }).catch(() => {

      });
    },

    // 6.新增和编辑产品
    saveSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            this.$http.put("/product", this.saveForm).then(res => {
              this.saveLoading = false;
              if (res.data.success) {
                this.getProducts();
              } else {
                this.$message('操作失败【500】');
              }
            }).catch(res => {
              this.$message.error("系统繁忙，请稍后重试！！！【400、404】")
            })
            this.saveFormVisible = false;
          });
        }
      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.title = "编辑产品";
      //3.对fileList的处理
      this.fileList = [];//清空
      if(this.saveForm.resources){ //如果有值
        let paths = this.saveForm.resources.split(",");
        for(var i = 0;i<paths.length;i++){
          this.fileList.push({"url":"http://123.207.27.208"+paths[i]})
        }
      }
      this.saveForm = Object.assign({}, row);
      this.saveFormVisible = true;
    },
    //显示新增界面
    handleSave: function () {
      this.saveFormVisible = true;
      this.title = "新增产品";
      this.fileList = [];
      this.saveForm = {
        name:'',
        costprice: null,
        saleprice: null,
        resources: [],
        salecount: '',
        state: 0,
        productDetail:{  //与后端实体类一致
          intro: '',
          orderNotice: ''
        }
      };
    },

    getRowKey(row){
      return row.id;
      //return row.sn;//同上
    },
    //图片上传成功之后的回到函数：resources【与数据库交互】，fileList【回显到页面】
    handleSuccess(response, file, fileList){
      console.log(this.saveForm.resources)
      if (this.saveForm.resources.length > 0) { //有值 - 不为空 - 以前是有图片的
        this.saveForm.resources = this.saveForm.resources+","+response.resultObj;
      } else{
        this.saveForm.resources = response.resultObj;
      }
      //2.对fileList的处理 - 现在resources中保存的一定是最新的所有图片
      this.fileList = [];//清空
      if(this.saveForm.resources){ //如果有值
        let paths = this.saveForm.resources.split(",");
        for(var i = 0;i<paths.length;i++){
          this.fileList.push({"url":"http://123.207.27.208"+paths[i]})
        }
      }
    },

    //点击删除图片时的处理：调用接口删除图片，resources【与数据库交互】，fileList【回显到页面】
    handleRemove(file, fileList){
      console.log(file)
      let filePath =  file.url.substring(file.url.indexOf("/group1"));//
      // /group1/M00/01/81/CgAIC2MUXj-Adx9CAAhNllH5B-I522.gif
      //1.调用删除接口删除文件
      alert(filePath)
      this.$http.delete("/fastDfs?path="+filePath).then(res=>{
        if(res.data.success){
          this.$message.success("删除成功");
        }else{
          this.$message.error("删除失败");
        }
      })

      //2.对resources的处理：需要从数组中删除某一个元素
      // /groupI512.gif,/group1/M00I513.gif,/group1/M00I514.gif,/group1/M00I515.gif
      if(this.saveForm.resources){
        let paths = this.saveForm.resources.split(","); //[2,3,4,5]
        for(var i = 0;i<paths.length;i++){
          if(filePath==paths[i]){//找到删除的图片，图片的索引就是i
            paths.splice(i,1); //[2,4,5]
          }
          break;
        }
        this.saveForm.resources = paths.join(","); // /groupI512.gif,/group1/M00I514.gif,/group1/M00I515.gif
      }

    },

    //上架
    onsale(){
      var ids = this.sels.map(item => item.id);
      //获取选中的行
      if(!ids || ids.length==0){
        this.$message.error("请选中再上架!!!!");
        return ;
      }
      this.$confirm('确认上架选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.post('/product/onsale',ids).then((res) => {
          this.listLoading = false;
          if(res.data.success){
            this.getProducts();
          }else{
            this.$message("上架失败");
          }
          this.getProducts();
        }).catch(res => {
          this.$message("系统异常，请稍后重试!!!400,404");
        })
      }).catch(() => {
      });
    },

    //下架
    offsale(){
      var ids = this.sels.map(item => item.id);
      //获取选中的行
      if(!ids || ids.length==0){
        this.$message.error("请选中再下架!!!!");
        return ;
      }
      this.$confirm('确认下架选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.post('/product/offsale',ids).then((res) => {
          this.listLoading = false;
          if(res.data.success){
            this.getProducts();
          }else{
            this.$message("下架失败");
          }
          this.getProducts();
        }).catch(res => {
          this.$message("系统异常，请稍后重试!!!400,404");
        })
      }).catch(() => {
      });
    },
  },
  mounted() {
    this.getProducts();
  },
}

</script>

<style scoped>

</style>